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To exercise Affirmer's Copyright and Related Rights include, but are not responsible for determining the appropriateness of using or redistributing the Work and any modifications or additions. Cylinder(r1 = knob_radius_bottom, r2 = stem_transition_radius, $fn = smooth } module knurled_cyl(chg, cod, cwd, csh, cdp, fsh, smt) { cord=(cod+cdp+cdp*smt/100)/2; cird=cord-cdp; cfn=round(2*cird*PI/cwd); clf=360/cfn; crn=ceil(chg/csh); echo("knurled cylinder min diameter: ", 2*cird); if( fsh < 0 shape(fsh, cird+cdp*smt/100, cord, cfn*4, chg); module shape(hsh.

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